Secret Coders / Gene Luen Yang

Twelve-year-old Hopper notices immediately that something strange is going on at Stately Academy, her new school; strange four-eyed birds, a secret locked shed, and a crazy janitor lead Hopper and her new friend Eni into a mystery that can only be solved through coding. This graphic novel adventure, with fun coding puzzles thrown in, is recommended for kids in grades 4-8.